Reduce the diff in the Ti aintc between head and arm_intrng


git-svn-id: svn+ssh://svn.freebsd.org/base/head@276021 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Reduce the diff between the lpc interrupt controller in head and arm_intrng


git-svn-id: svn+ssh://svn.freebsd.org/base/head@276023 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f